SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Solve the problem. 12) The price p and x, the quantity of a certain product sold, obey the demand equation 1 p = - x+100, {x10 ≤x≤1000} 10 a) Express the revenue R as a function of x. b) What is the revenue if 450 units are sold? c) Graph the revenue function using a graphing utility. d) What quantity x maximizes revenue? What is the maximum revenue? e) What price should the company charge to maximize revenue? 12)

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